Arkansas State Parks Trip Ideas Filter Park Pinnacle Mountain Region Northwest Lower Delta North Central Southwest Upper Delta [X] Central Park Activity Watchable Wildlife [X] Hiking [X] Climbing Trail Type Backpacking Wilderness [X] Day Hikes [X] Barrier Free (ADA) Trail Difficulty Easy Moderate [X] Strenuous Author [X] Matt Manos [X] Ron Salley Date Published December 2016 [X] November 2016 [X] August 2016 5 Fall Hiking Tips Nov 2016 ⁄ Matt Manos It is hiking season in Arkansas and that brings some unique and beautiful opportunities. The leaves are changing, along with the temperatures. These cooler days can make for some great fall hiking. Is Pinnacle Mountain a Volcano? Aug 2016 ⁄ Ron Salley Pinnacle Mountain stands about 1,000 feet above sea level, is on the extreme eastern edge of the Ouachita Mountain range, and sits where three rivers converge.